Home / 19,903.32-27,483.30-13,633.92

Finding the Fourth Proportional to 19,903.32, 27,483.30 and 13,633.92

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Solution

The fourth proportional to 19,903.32, 27,483.30 and 13,633.92 is: 18,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.32 : 27,483.30 = 13,633.92 : x
  2. Step 2: Convert to fraction form
    19,903.32/27,483.30 = 13,633.92/x
  3. Step 3: Cross multiply
    19,903.32x = 27,483.30 × 13,633.92
  4. Step 4: Simplify right side
    19,903.32x = 374,705,113.54
  5. Step 5: Solve for x
    x = 374,705,113.54/19,903.32
  6. Step 6: Final answer
    x = 18,826.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.